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Tosoh Bioscience, LLC, KOP

3604 Horizon Drive, Suite 100, King of Prussia, PA 19406

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE

Operating signal within 24 months, or from a single source.

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What they make

Custom Compounding of Purchased Resins325991

Where it is

40.08814, -75.34046 · CENSUS TIGER
COUNTY
METRO AREA
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Every listed plant in Montgomery County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 4 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

  • OSHA injury and illness reportsOPERATING
    Record 970260 · first seen DEC 2025 · last seen DEC 2025

IN MONTGOMERY COUNTY18 other plants share this one’s industry (Other Chemical Product and Preparation Manufacturing, NAICS 3259); 7 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Coordinates
Census geocoder: 40.088143828087,-75.340459630411 · JUL 2026
Employees (band)
OSHA: 20-99 · DEC 2025
Year established
PA DOS: 2000 · OCT 2000
State business registrationSOURCES DISAGREE
CT SOTS: TOSOH BIOSCIENCE LLC, registered with the Connecticut Secretary of the State; Limited liability company formed in Pennsylvania; registered 2011-12-12; active, annual report filed 2026-03-25 · MAR 2026
Sunbiz: TOSOH BIOSCIENCE KING OF PRUSSIA, LLC., registered with the Florida Department of State, Division of Corporations; Limited liability company formed in Pennsylvania; registered 2014-10-03; active, annual report filed 2026-03-25 · MAR 2026
PA DOS: Tosoh Bioscience Llc, registered with the Pennsylvania Department of State; Limited liability company; formed 2000-10-26; active · OCT 2000

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